MIAMI INTERNATIONAL HOLDINGS MIAX

US Financials Security Brokers, Dealers & Flotation Companies
$40.84
+4.6%
52w: $30.74 – $56.84

Latest 13F among current holders filed 32 days ago (Jun 3, 2026)

Price — last 12 months

research preview data
30.7443.7956.84
Aug 14, 2025 Jul 2, 2026
Institutional holders
202
+40 QoQ
13F value
$1.95B
+16.0% QoQ
Smart-money holders
13
signal tier ≥ 2
New smart buyers
2
Q1 2026
Options barometer
1.6×
$12.6M calls / $8.1M puts

Institutional value by quarter

$1.06B
Q3 2025
$1.68B
Q4 2025
$1.95B
Q1 2026

Number of holders

116
Q3 2025
162
Q4 2025
202
Q1 2026

Who owns MIAX?

Q1 2026 filings
FundTypeSharesValue% of fundChange
T. Rowe Price Investment Management, Inc. Long only active4.1M$161.3M0.1%+17.2%
HORIZON KINETICS ASSET MANAGEMENT LLC Other3.5M$134.3M1.5%+89.7%
SUSQUEHANNA INTERNATIONAL GROUP, LLP Market maker3.3M$128.3M0.2%+0.3%
BlackRock, Inc. Index provider2.2M$86.9M0.0%+27.3%
CITADEL ADVISORS LLC Multistrat pod1.6M$62.6M0.0%+159.5%
Invesco Ltd. Index provider1.6M$61.7M0.0%+23.9%
Alyeska Investment Group, L.P. Quant stat arb1.4M$56.3M0.2%+12.5%
VANGUARD CAPITAL MANAGEMENT LLC Diversified mechanical1.4M$55.1M0.0%
VANGUARD PORTFOLIO MANAGEMENT LLC Diversified mechanical1.4M$53.5M0.0%
ADAGE CAPITAL PARTNERS GP, L.L.C. Other1.2M$48.5M0.1%+41.5%
AMERICAN CENTURY COMPANIES INC Diversified mechanical1.2M$47.5M0.0%-15.7%
JPMORGAN CHASE & CO Bank broker1.2M$46.4M0.0%+52.0%
MORGAN STANLEY Bank broker1.1M$44.6M0.0%+419.3%
Allspring Global Investments Holdings, LLC Diversified mechanical1.1M$43.8M0.1%+19.3%
North Reef Capital Management LP ★2Fundamental concentrated1.0M$39.5M1.4%-19.8%
Ghisallo Capital Management LLC Quant stat arb1.0M$38.9M1.1%+79.4%
BANK OF AMERICA CORP /DE/ Bank broker900.9K$35.1M0.0%+196.5%
TWO SIGMA INVESTMENTS, LP Quant stat arb893.7K$34.8M0.0%+536.9%
LORD, ABBETT & CO. LLC Other860.7K$33.5M0.1%+30.5%
GEODE CAPITAL MANAGEMENT, LLC Index provider779.8K$30.4M0.0%+52.1%
STATE STREET CORP Index provider712.3K$27.7M0.0%+23.6%
BLAIR WILLIAM & CO/IL Diversified mechanical665.8K$25.9M0.1%+1.7%
Caldwell Investment Management Ltd. ★2Fundamental concentrated663.8K$24.9M9.8%-10.2%
BNP PARIBAS FINANCIAL MARKETS Bank broker572.5K$22.3M0.0%+199.7%
FRANKLIN RESOURCES INC Long only active568.2K$22.1M0.0%+33.0%
SEVEN GRAND MANAGERS, LLC ★2Fundamental diversified550.0K$21.4M1.4%+37.5%
SEI INVESTMENTS CO Diversified mechanical526.4K$20.5M0.0%+54.7%
MILLENNIUM MANAGEMENT LLC Multistrat pod518.7K$20.2M0.0%+82.2%
AMERIPRISE FINANCIAL INC Bank broker509.5K$19.8M0.0%+13.8%
Clearstead Advisors, LLC Wealth advisor503.7K$19.6M0.2%New
WELLINGTON MANAGEMENT GROUP LLP Long only active444.9K$17.3M0.0%-27.8%
GOLDMAN SACHS GROUP INC Bank broker426.3K$16.6M0.0%-26.6%
UBS Group AG Bank broker423.4K$16.5M0.0%+159.9%
Driehaus Capital Management LLC Other396.7K$15.4M0.1%-25.5%
VICTORY CAPITAL MANAGEMENT INC Diversified mechanical389.6K$15.2M0.0%-0.7%
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Other341.3K$13.3M0.0%+24.6%
D. E. Shaw & Co., Inc. Quant stat arb320.8K$12.5M0.0%New
TOCQUEVILLE ASSET MANAGEMENT L.P. Other312.1K$12.1M0.2%+41.4%
ROYCE & ASSOCIATES LP Other309.3K$12.0M0.1%+70.4%
Burkehill Global Management, LP Quant stat arb290.0K$11.3M0.6%Held
Delta Global Management LP Quant stat arb287.7K$11.2M0.9%+3.1%
INTRINSIC EDGE CAPITAL MANAGEMENT LLC Other276.0K$10.7M2.0%-14.4%
Penn Capital Management Company, LLC Other273.8K$10.7M0.8%+8.6%
BARCLAYS PLC Bank broker274.2K$10.7M0.0%+380.3%
RENAISSANCE TECHNOLOGIES LLC Quant stat arb271.5K$10.6M0.0%+39.2%
Woodline Partners LP Other261.1K$10.2M0.0%Held
TUDOR INVESTMENT CORP ET AL Quant stat arb259.8K$10.1M0.1%+363.8%
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Diversified mechanical240.0K$9.3M0.0%+2.5%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Index provider237.3K$9.2M0.0%+26.9%
NORTHERN TRUST CORP Index provider234.0K$9.1M0.0%+37.9%

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